Boiler body uses the forced circulation in the high temperature area to make sure all heating areas can be cooled down and avoid vaporization; The explosion door and flame detector are equipped for safe and reliable operation. Comb plates are used between both sides of boiler and tube bundle to avoid leakage of condensate and gas caused by using refractory concrete as sealing material. Air proof test is done before delivery in the factory to guarantee any gas leakage problem.

Note:-Limiting concentrations of all above parameters are given in mg/l, except pH.* BOD 3 @27;c may be made stringent up to 30 mg/l if the recipient fresh water body is a source of drinking water supply. BOD 3 value is relaxable up to 350 mg/l, if the wastewater is discharged into town sewer where secondary treatment of sewage is carried out.

Source: india Durgapur, 17th Aug 2017, Violence mars civic polls in Bengal, Durgapur on edge Durgapur was a flashpoint of unrest as seven municipalities went to polls on Sunday, with policemen coming under attack.

Bermuda's Environment Pollution problems with a resident population of over 3,370 per square mile. By Keith Archibald Forbes (see About Us) exclusively for Bermuda Online. Basics. Bermuda today is the third most densely populated place on earth, with an estimated resident population at year-end 2005 of 68,500, in its 20.75 (twenty point seven five) square miles or 3,301 permanent residents